Fix test_compositor_host_mac after r135888

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BUG=


Review URL: https://chromiumcodereview.appspot.com/11415251

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@170832 0039d316-1c4b-4281-b951-d872f2087c98

ui/compositor/test/test_compositor_host_mac.mm

@@ -127,7 +127,8 @@ void TestCompositorHostMac::Show() {
                             backing:NSBackingStoreBuffered
                               defer:NO];
   scoped_nsobject<AcceleratedTestView> view([[AcceleratedTestView alloc] init]);
-  compositor_.reset(new ui::Compositor(this, view, bounds_.size()));
+  compositor_.reset(new ui::Compositor(this, view));
+  compositor_->SetScaleAndSize(1.0f, bounds_.size());
   [view setCompositor:compositor_.get()];
   [window_ setContentView:view];
   [window_ orderFront:nil];